OMEGA 640

Exploded diagram

BrandOMEGACaliber640Size5 1/2FunctionVersionHands0,40x0,70StemSpez.Stem (subs.)Stem (2 pce)Balance staff23401 INCABalance staff (subs.)Mainspring (subs.)Spez.Mainspring (subs.)1.20x 5.0x0.06Battery

Watchparts

Part NocaliberdescriptionoriginalArtno.
180BBarrel with drum + cover640-120096506401200
200BLarge driving wheell + cannon pinion640-122496506401224
210BThird wheel640-124096506401240
227BSweep second pinion640-124396506401243
260BMinute wheel640-124696506401246
401Winding stem640-110696506401106
462BMinute train bridge640-111696506401116
705Escape wheel -pinion straigt piv.640-130596506401305
710BPallet fork -pinion 1 lower end-piec.640-1316
721/1BBalance cplt. -regulated640-1327
723Balance staff ST -shock-absorber80223401
770BMainspring640-1208
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